242808968293 has 2 divisors, whose sum is σ = 242808968294. Its totient is φ = 242808968292.

The previous prime is 242808968273. The next prime is 242808968327. The reversal of 242808968293 is 392869808242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206958575329 + 35850392964 = 454927^2 + 189342^2 .

It is a cyclic number.

It is not a de Polignac number, because 242808968293 - 2⁵ = 242808968261 is a prime.

It is a super-2 number, since 2×242808968293² (a number of 24 digits) contains 22 as substring.

It is the 492757-th Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242808968243) by changing a digit.

It is a nontrivial repunit in base 492756.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121404484146 + 121404484147.

It is an arithmetic number, because the mean of its divisors is an integer number (121404484147).

Almost surely, 2^242808968293 is an apocalyptic number.

It is an amenable number.

242808968293 is a deficient number, since it is larger than the sum of its proper divisors (1).

242808968293 is an equidigital number, since it uses as much as digits as its factorization.

242808968293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23887872, while the sum is 61.

The spelling of 242808968293 in words is "two hundred forty-two billion, eight hundred eight million, nine hundred sixty-eight thousand, two hundred ninety-three".